entrance hole 中文意思是什麼

entrance hole 解釋
進線孔
  • entrance : n 1 進入;入場;加入,入會;入學。2 開始,著手。3 就業,就職。4 (演員的)出場。5 入場權;入場費...
  • hole : n 1 洞,穴,孔;(衣服等上的)破洞;傷口;漏洞;窩,坑;水流的深凹處,(河道的)緩流窪。2 (獸的...
  1. When she had made a hole in the entrance she tried to pass through it.

    他在洞口上打開了一個洞,就想從里邊鉆出來。
  2. Each garage is like a hole with a box shape ( rectangular entrance )

    每個泊位像一個箱形的凹洞(矩形入口) 。
  3. It provides performance advantages over the conventional perforator with the same diameter and similar charges, its penetration depth is increased by 7 % and entrance hole volume by 10 %

    由於採用了復式射孔槍和復式射孔彈結構,使射孔彈和火藥能量得到充分利用,與一般的槍徑及彈型的射孔器比較,其穿孔深度提高7 %以上,孔容提高10 %以上。
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